ARCHIVED FORUM -- March 2012 to February 2022READ ONLY FORUM
This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022
So we found ourselves at our usual B&O store last night and my wife fell in love with this BeoLabs which she insisted must go into our boat's sleeping quarters. Fine. The boat has both 24v and 230v power circuits, except the 230v circuit only works when docked or when the on board generator is turned on.
Little problem: I was surprised to hear our long-time salesman explain that B&O does not sell low-voltage versions (12v or 24v) of the BeoLabs. We live in the United States, but he'd be happy to order 230v versions for us.
I am taken aback that the BeoLabs require such high external voltage. Don't this type of devices start out by stepping down the voltage to 6v or 12v internally and go from there?
I've been thinking of installing a 2500 watt sine wave inverter to have 230v available at throughout the whole boat, to use the coffee maker or the dishwasher, for instance, without having to turn on the generator.
But installing a large inverter just to power a small pair of speakers just does not seem right, coffeemaker or not!
Did your wife see the BeoLit 12 ?
What were the speakers she is asking after ?
BeoNut since '75
XavierItzmann:I am taken aback that the BeoLabs require such high external voltage. Don't this type of devices start out by stepping down the voltage to 6v or 12v internally and go from there?
Just to put voltage in perspective, my bicycle dynamo generates 6v which is good for lights/gps/phones
Cars normally have 12v take offs which is good for above. In both cases the voltage is regulated and stored into a battery.
I am guessing the 2500 watt generator is a silent running job and the ones I have seen are very quiet.
But as a last option, submarines have large battery rooms......... ;- )
XavierItzmann: Don't this type of devices start out by stepping down the voltage to 6v or 12v internally and go from there?
Don't this type of devices start out by stepping down the voltage to 6v or 12v internally and go from there?
Even the smalllest amplifiers need 50-60V internally when powering traditional passive speakers. So for the active range it doesn't make any difference.
Which beolab where you thinking of? Unless you're using them on high volumes, you don't need a full 2500W convertor.
She liked the BeoLab 4. Yes, I know it's not the best sounding of the lot, it's what she liked, on wall bracket. She loved the red fret covers, the look, and the sound.
These would be for a sleeping cabin.
Thank you for the clarification that internal voltage is in the 60s range. From that perspective, it does not seem quite as wasteful to take it from 24v to 230v.
The 2500W inverter would be for the whole vessel, not just the speakers! The speakers themselves, I can't quite figure out their power consumption. The website states 7W power consumption, but I am not sure if that's 7W at 220v or 7W at 110v. Interestingly enough, the power of the speakers themselves is described as 65W.
valve1:I am guessing the 2500 watt generator is a silent running job and the ones I have seen are very quiet.
Hello, the generator is 7 kW and it is very well isolated as far as these things go, but still introduces noise.
The idea of the 2500 watt inverter is to be able to power some moderate electrics and electronics out of the battery banks without having to have the generator on.
Spent some time with the salesman today discussing this project.
My key question was: these speakers are going to be connected to a central non-B&O marine audio system with different zones for different areas of the vessel, and I will not tolerate speakers that pop when audio starts, and other issues that can happen when B&O powered speakers are not connected via PowerLink.
The unexpected reply:
1. Get a Playmaker. Connect the BeoLabs to Playmaker via PowerLink.
2. Connect the line-level outputs coming from the central marine audio system to the AUX-IN of the Playmaker.
He said the sound would be pure B&O. Of course my immediate objection was that having to turn on additional equipment is not acceptable... but he said that Playmaker detects the incoming audio from the AUX-IN so there is no issue.
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